Text chunking

chunk_text.rs

fn chunk_text(width: i32, text: &str) -> Vec<String> {
    text.split_whitespace().fold(vec![], |mut acc, word| {
        let length = acc.len();

        if length > 0 && &acc[length - 1].len() + word.len() + 1 <= width as usize {
            acc[length - 1] = [&acc[length - 1], word].join(" ");
        } else {
            acc.push(word.to_string());
        }

        acc
    })
}